American Society of Civil Engineers


A Practical Approach to Mapping Extreme Wave Inundation: Consequences of Sea-Level Rise and Coastal Erosion


by Sean Vitousek, (Department of Geology and Geophysics, 1680 East-West Rd. POST Room 721, Honolulu, Hawaii, 96822 E-mail: seanfkv@hawaii.edu), Charles H. Fletcher, (Department of Geology and Geophysics, 1680 East-West Rd. POST Room 721, Honolulu, Hawaii, 96822 E-mail: fletcher@soest.hawaii.edu), and Matthew M. Barbee, (Department of Geology and Geophysics, 1680 East-West Rd. POST Room 721, Honolulu, Hawaii, 96822 E-mail: mbarbee@hawaii.edu)

pp. 85-96, (doi:  http://dx.doi.org/10.1061/40968(312)8)

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Document type: Conference Proceeding Paper
Part of: Solutions to Coastal Disasters 2008
Abstract: This paper outlines a practical approach to mapping extreme wave inundation and the influence of sea-level rise and coastal erosion. The concept is presented for windward Oahu, Hawai’i. Statistical models of extreme wave height and recently developed empirical runup equations (Stockdon et al. 2006) provide extreme runup levels, which overlay georeferenced aerial photos and high-resolution LIDAR elevation models. The alongshore wave height variability that contributes to alongshore runup variability is accounted for by the SWAN spectral wave model. Sea level is found to play a significant role in future inundation levels.


ASCE Subject Headings:
Mapping
Sea level
Beach erosion
Coastal environment